INDEX OF SPECIFIC NAMES. 



1363 



extenuatus (a, urn) Didymograpsus, 

 Ectomaria, Ectomaria prisca, Grap- 

 tolithus, Murchisonia, Opisthoptera, 

 Solenospira, Solenospira prisca, 

 Teclmophorus. 



faba Colpomya, Leperditia, Lyonsia, 

 Modiolopsis, Nuculites. 



fabaformis Modiolopsis. 



faberi Agelacrinites, Agelacrinus, Chiro- 

 spongia, Clidophorus, Cyrtoceras, Gom- 

 phoceras, Holocystites, Lepidodiscus, 

 Lichas, Modiolopsis, Orthodesma,0rtho- 

 notella, Palseoconcha, Platycystites, 

 Pyanomya, Rhytimya, Sphenolium, 

 Teclmopliorus. 



f abius Agnostus . 



fabula Cleidophorus, Clidophorus (Nu- 

 cula), Clidophorus (Nuculites). 



fabulina Leperditia hisingeri. 



fabulites Cytherina, Leperditia. 



facetus Cyathophyllum. 



f acula Sceptropora . 



f airchildi Euomphalus . 



f airmountensis Dalmanella . 



f alcatus Eunicites . 



f alcif ormis Escharopora, Ptilodictya . 



falconer! Glaucocrinus . 



falesi Monticulipora, Prasopora. 



falx Cyrtoceras, Mselonoceras. 



f amelicus Ptilodictya . 



fanningana (urn) Ditcecholasma, Dunca- 

 nella, Petraia. 



farcimen Gyroceras. 



farctus Pachydictya, Ptilodictya. 



fa'rns worth! Aphetoceras, Lituites, Tar- 

 phyceras. 



f arringtoni Habrocrinus . 



fasciatus (a) Cyathocrinus, Hebertella, 

 Hebertella (Schizonema), Hebertella 

 (Schizoramma), Leptsena, Lophospira, 

 Orthis, Orthostrophia (Sch)izoramma, 

 Rafmesquina, Strophomena. 



fascicularis Drymopora, Syringopora 

 (Drymopora). 



fastigiatum Clathrodictyon. 



fatua (um) Trichonema, Trochonema 

 (Eunema). 



fausta Hebertella, Ophileta, Orthis. 



favosa Calamopora, Favosites. 



favosideus (a) Favistella, Favosites. 



favositif ormis Parallelopora. 



favositoidea Calapcecia. 



f a vo su s Favosites . 



favus Nidulites. 



fayettensis Calymene. 



feather stonhaughi Cyrtoceras. 



fecunda Ctenodonta, Nucula (Tellino- 

 mya). 



feildeni Stropheodonta. 



fenestelliformis Pachydictya, Phsenopo- 

 ra, Ptilodictya. 



fenestratus (a) Amplexus, Anthaspi- 

 della, Echinocrinites, Echinocrinus, 

 Echinoencrinites, Phylloporina, Rete- 

 pora, Rhinidictya, Stictopora, Subre- 

 tepora, Sulcopora, Tetracystis. 



f erox N autilus . 



f errisi Metopolichas . 



ferruginea (um) Avicula, Cypricardites, 

 Cyrtodonta, Lingulella, Nuculites (Clei- 

 dophorus). 



fertilis (a) Batostoma, Batostoma circu- 

 lare, Orthis (Dalmanella). 



ferum Orthoceras, Spyroceras. 



festinata Camarotcechia. 



fibrata (um) Syringopora, Tetradium. 



fibrosus (a) Alveolites, Calamopora, Cla- 

 dopora, Hindia, Stenopora. 



ficellostriata Homceospira. 



fidelis Stictopora. 



fieldeni Amplexus, Halysites catenu- 

 laria. 



filiasa Amplexopora, Chaetetes, Lepto- 

 trypa, Monotrypa, Monticulipora. 



filiciformis Buthotrephis, Chloephycus, 

 Strophostylus. 



filifonnis (a) Didymograptus, Ortho- 

 ceras. 



filiosa Amplexopora, Monticulipora. 



filiramus Dictyonema. 



filistriatus (a) Ctenodonta, Rafinesquina 

 winchesterensis, Strophonella, Techno- 

 phorus. 



filitextus (a, um) Hemipronites, Lep- 

 taena, Pleurocystis, Pleurotomaria, 

 Streptorhynchus, Strophomena. 



fillmorensis Cyrtodonta afnnis, Cyrtoli- 

 tes retrorsus, Lophospira, Primitia, Pri- 

 mitiella. 



filmorensis Prasopora insularis. 



filosus (a, um) Crania, Cyrtoceras, Cyr- 

 tolites, Dalmanella emarcerata, Obolus, 

 Orbicula, Orbiculoidea, Rauffella, Schi- 

 zocrania, Trematis, Turrilepaa. 



